text-segmentation - w3toppers.com

Haskell file reading

Not a bad start! The only thing to remember is that pure function application should use let instead of the binding <-. import System.IO import Control.Monad main = do let list = [] handle <- openFile “test.txt” ReadMode contents <- hGetContents handle let singlewords = words contents list = f singlewords print list hClose handle … Read more

Explode a paragraph into sentences in PHP

You can use preg_split() combined with a PCRE lookahead condition to split the string after each occurance of ., ;, :, ?, !, .. while keeping the actual punctuation intact: Code: $subject=”abc sdfs. def ghi; this is [email protected]! asdasdasd? abc xyz”; // split on whitespace between sentences preceded by a punctuation mark $result = preg_split(‘/(?<=[.?!;:])\s+/’, … Read more

Android Word-Wrap EditText text

Besides finding the source of the issue, I found the solution. If android:inputType is used, then textMultiLine must be used to enable multi-line support. Also, using inputType supersedes the code android:singleLine=”false”. If using inputType, then, to reiterate, textMultiLine must be used or the EditText object will only consist of one line, without word-wrapping. Edit: Thank … Read more

How to get the first word of a sentence in PHP?

There is a string function (strtok) which can be used to split a string into smaller strings (tokens) based on some separator(s). For the purposes of this thread, the first word (defined as anything before the first space character) of Test me more can be obtained by tokenizing the string on the space character. <?php … Read more

How to split a string into words. Ex: “stringintowords” -> “String Into Words”?

Let’s assume that you have a function isWord(w), which checks if w is a word using a dictionary. Let’s for simplicity also assume for now that you only want to know whether for some word w such a splitting is possible. This can be easily done with dynamic programming. Let S[1..length(w)] be a table with … Read more

How to capitalize first letter of first word in a sentence?

$output = preg_replace(‘/([.!?])\s*(\w)/e’, “strtoupper(‘\\1 \\2’)”, ucfirst(strtolower($input))); Since the modifier e is deprecated in PHP 5.5.0: $output = preg_replace_callback(‘/([.!?])\s*(\w)/’, function ($matches) { return strtoupper($matches[1] . ‘ ‘ . $matches[2]); }, ucfirst(strtolower($input)));

php sentence boundaries detection [duplicate]

An enhanced regex solution Assuming you do care about handling: Mr. and Mrs. etc. abbreviations, then the following single regex solution works pretty well: <?php // test.php Rev:20160820_1800 $split_sentences=”%(?#!php/i split_sentences Rev:20160820_1800) # Split sentences on whitespace between them. # See: http://stackoverflow.com/a/5844564/433790 (?<= # Sentence split location preceded by [.!?] # either an end of sentence … Read more